Bio: Patrice Godefroid is a Principal Researcher at Microsoft Research. He received a B.S. degree in Electrical Engineering (Computer Science elective) and a Ph.D. degree in Computer Science from the University of Liege, Belgium, in 1989 and 1994 respectively. From 1994 to 2006, he worked at Bell Laboratories (part of Lucent Technologies), where he was promoted to “distinguished member of technical staff” in 2001. His research interests include program (mostly software) specification, analysis, testing and verification.